/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 19182
 * Date: 2025-10-12
 * Time: 17:01
 */
public class Test {
    public static void main(String[] args) {
        String str = "";
        str += "1";
        str += "2";
        System.out.println(str);
    }
}
